Solution : https://service.sap.com/sap/support/notes/828726 (SAP Service marketplace login required)
Key words :
terms me21 me22 me21n me22n medcm 021 version deletion reason, error/warning message medcm021, symptom version management, import parameter 'i_revisionlist', function module 'me_changedoc_select', existing version, version-relevant, latest version, output message, program error
Related Notes :
| 931863 | ME52N: The changes could not be completely undone II |